agenttesla | bf89df9f3a9434f748f75384d52d9eb10d1ae7c0f95faddbdbe2cfd98e0b1da8

General

Target

SOA of Apr.exe
Size

512KB
MD5

78f344f6c6b3b72c0cb00aad5be0e396
SHA1

243d8b307e27b7b7055fa3938336b77d20b50901
SHA256

bf89df9f3a9434f748f75384d52d9eb10d1ae7c0f95faddbdbe2cfd98e0b1da8
SHA512

0bc5c08cfd13c124591c8cabdba5f2eeeffd012b11ed80c193de1505250c3f4f7b3ee7cf67f64bf6530ae2de7a7d1547a224d070b87da3b66768c4dead6eff6f
SSDEEP

12288:25rr62iNf4mcqWFDFSO5o/bGXt2u4+rIDgAnjq:2A1uvI84aA

Score

10^/10

agenttesla collection keylogger persistence spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
mail.wecaresvc.com
Port:
587
Username:
[email protected]
Password:
u9367gk8qc
Email To:
[email protected]

Signatures

AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
keylogger trojan stealer spyware agenttesla
Reads data files stored by FTP clients 2 TTPs
Tries to access configuration files associated with programs like FileZilla.
spyware stealer

Data from Local System
T1005

Credentials in Files
T1081
Reads user/profile data of local email clients 2 TTPs
Email clients store some user data on disk where infostealers will often target it.
spyware stealer

Data from Local System
T1005

Credentials in Files
T1081
Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
spyware stealer

Data from Local System
T1005

Credentials in Files
T1081

Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs

collection

Email Collection

T1114

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-2647223082-2067913677-935928954-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	SOA of Apr.exe
Key opened	\REGISTRY\USER\S-1-5-21-2647223082-2067913677-935928954-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	SOA of Apr.exe
Key opened	\REGISTRY\USER\S-1-5-21-2647223082-2067913677-935928954-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	SOA of Apr.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-2647223082-2067913677-935928954-1000\Software\Microsoft\Windows\CurrentVersion\Run\SIqmq = "C:\\Users\\Admin\\AppData\\Roaming\\SIqmq\\SIqmq.exe"	SOA of Apr.exe

Looks up external IP address via web service 2 IoCs

Uses a legitimate IP lookup service to find the infected system's external IP.

flow	ioc
4	api.ipify.org
5	api.ipify.org

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 1676 set thread context of 520	1676	SOA of Apr.exe	30

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

Creates scheduled task(s) 1 TTPs 1 IoCs

Schtasks is often used by malware for persistence or to perform post-infection execution.

persistence

Scheduled Task

T1053

pid	Process
1004	schtasks.exe

Suspicious behavior: EnumeratesProcesses 1 IoCs

pid	Process
1676	SOA of Apr.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	1676	SOA of Apr.exe
Token: SeDebugPrivilege	520	SOA of Apr.exe

Suspicious use of WriteProcessMemory 13 IoCs

description	pid	Process	procid_target
PID 1676 wrote to memory of 1004	1676	SOA of Apr.exe	28
PID 1676 wrote to memory of 1004	1676	SOA of Apr.exe	28
PID 1676 wrote to memory of 1004	1676	SOA of Apr.exe	28
PID 1676 wrote to memory of 1004	1676	SOA of Apr.exe	28
PID 1676 wrote to memory of 520	1676	SOA of Apr.exe	30
PID 1676 wrote to memory of 520	1676	SOA of Apr.exe	30
PID 1676 wrote to memory of 520	1676	SOA of Apr.exe	30
PID 1676 wrote to memory of 520	1676	SOA of Apr.exe	30
PID 1676 wrote to memory of 520	1676	SOA of Apr.exe	30
PID 1676 wrote to memory of 520	1676	SOA of Apr.exe	30
PID 1676 wrote to memory of 520	1676	SOA of Apr.exe	30
PID 1676 wrote to memory of 520	1676	SOA of Apr.exe	30
PID 1676 wrote to memory of 520	1676	SOA of Apr.exe	30

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-2647223082-2067913677-935928954-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	SOA of Apr.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-2647223082-2067913677-935928954-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	SOA of Apr.exe

C:\Users\Admin\AppData\Local\Temp\SOA of Apr.exe
"C:\Users\Admin\AppData\Local\Temp\SOA of Apr.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1676
- C:\Windows\SysWOW64\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\AUuxAAGYVd" /XML "C:\Users\Admin\AppData\Local\Temp\tmp67B9.tmp"
  2⤵
  - Creates scheduled task(s)
  PID:1004
- C:\Users\Admin\AppData\Local\Temp\SOA of Apr.exe
  "{path}"
  2⤵
  - Accesses Microsoft Outlook profiles
  - Adds Run key to start application
  - Suspicious use of AdjustPrivilegeToken
  - outlook_office_path
  - outlook_win_path
  PID:520

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Scheduled Task

1

T1053

Persistence

Registry Run Keys / Startup Folder

Scheduled Task

Privilege Escalation

Scheduled Task

1

T1053

Defense Evasion

Modify Registry

1

T1112

Credential Access

Credentials in Files

3

T1081

Discovery

System Information Discovery

1

T1082

Lateral Movement

Collection

Data from Local System

Email Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\tmp67B9.tmp

Filesize
1KB

MD5
d11dcd82b9b16c3e82a31d740e9412bf

SHA1
afa5d4ecec8b0843501a8180e3b31f571a621d68

SHA256
c746bc8540d2ecb24f308cab13da58bed8f36615c7b77d87b15abdc078fc26d3

SHA512
2797a63c72cac74f0b5d675460e2ae6e2292d0f219ec12a2e8e569388f85fd9c7707387c175bb5ffbe3c3c37d46b2651baed9ba57097433e0e588341799408e9

Download Submit
memory/520-68-0x0000000000400000-0x0000000000430000-memory.dmp

Filesize
192KB

Download
memory/520-67-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/520-98-0x0000000000440000-0x0000000000480000-memory.dmp

Filesize
256KB

Download
memory/520-73-0x0000000000440000-0x0000000000480000-memory.dmp

Filesize
256KB

Download
memory/520-72-0x0000000000400000-0x0000000000430000-memory.dmp

Filesize
192KB

Download
memory/520-70-0x0000000000400000-0x0000000000430000-memory.dmp

Filesize
192KB

Download
memory/520-63-0x0000000000400000-0x0000000000430000-memory.dmp

Filesize
192KB

Download
memory/520-66-0x0000000000400000-0x0000000000430000-memory.dmp

Filesize
192KB

Download
memory/520-65-0x0000000000400000-0x0000000000430000-memory.dmp

Filesize
192KB

Download
memory/520-64-0x0000000000400000-0x0000000000430000-memory.dmp

Filesize
192KB

Download
memory/1676-56-0x0000000000360000-0x000000000036C000-memory.dmp

Filesize
48KB

Download
memory/1676-54-0x0000000001260000-0x00000000012E6000-memory.dmp

Filesize
536KB

Download
memory/1676-55-0x00000000011F0000-0x0000000001230000-memory.dmp

Filesize
256KB

Download
memory/1676-59-0x00000000011A0000-0x00000000011D0000-memory.dmp

Filesize
192KB

Download
memory/1676-58-0x0000000005B70000-0x0000000005BE6000-memory.dmp

Filesize
472KB

Download
memory/1676-57-0x00000000011F0000-0x0000000001230000-memory.dmp

Filesize
256KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads